I needed to configure an old Juniper Networks 5XP firewall from a command line interface, so that I could block all access to the Internet from that system, but, since it had been a very long time since I set a rule in one of those firewalls from its command line interface, which is accessible via SSH, it took me some time to get the syntax right for the command after realizing I had to associate the IP address with a name that I could use in the policy for the system first.
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